The aims of this research are to identify the factors that affect the performance of the employees Nawaplastic Industries (Saraburi) Co., Ltd. is the population in this study. Employs 155 people, using a questionnaire to collect data. The statistics used for data analysis were percentage, mean and standard deviation. T test and one-way ANOVA test and regression analysis. The results showed that Organizational Development And enterprise management The factors that affect the performance of the staff is to develop the technology. Development organizations, knowledge management, organizational structure, organizational development organizations. Corporate management planning. Corporate management. Management and Leadership And organizational management control by factors that affect the performance of the employees. Overall, the relationship is going in the same direction.